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Individual Calculations September 2014 |
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| Sonnis, Steve Total change: -1.15 | |   |
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| CCF DAYTIME CHESS CLUB - SUMMER 2014 | COULSDON, LONDON | ENG | 2014-04-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1747 | 1697 | 2.50 | 5 | 0.35 | 15 | 5.25 | |
|  Norman, Nigel | | | 1751 | ENG | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Earwicker, Jim | | | 1617 | ENG | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Clegg, Chris Ra | | | 1799 | ENG | 0.50 | 1 | 0.14 | 15 | 2.10 | |  Kane, Frank G | | | 1809 | ENG | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Allan, Brian N | | | 1759 | SCO | 0.50 | 1 | 0.09 | 15 | 1.35 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Golders Green August Bank Holiday Congress: MAJOR Under 1900 (160 ECF) | London | ENG | 2014-08-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1721 | 1676 | 1.00 | 3 | -0.32 | 20 | -6.40 | |
| | Jacob, Sydney | | | 1880 | ENG | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Ragavan, Pramoth | | | 1472 | ENG | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Bishop, Geoffrey | | | 1810 | ENG | 0.00 | 1 | -0.32 | 20 | -6.40 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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